Cita APA (7a ed.)

(1926). Konzert: Reina Backhaus, Bruno Korell. [s.n.].

Cita Chicago Style (17a ed.)

Konzert: Reina Backhaus, Bruno Korell. Danzig: [s.n.], 1926.

Cita MLA (9a ed.)

Konzert: Reina Backhaus, Bruno Korell. [s.n.], 1926.